CVE-2018-0680

Name: CVE-2018-0680
Creator: NVD / NIST
Published: 2018-11-15T15:29:00.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.67%

Last modified Jun 17, 2026

CVE-2018-0680 is a vulnerability of currently unknown severity. Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses hard-coded credentials, which may allow remote attackers to read/send mail or change the configuration.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

Description

Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses hard-coded credentials, which may allow remote attackers to read/send mail or change the configuration.

Metrics

EPSS Probability

1.67%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Neo	Debun Imap	<= 3.3i_r4.0
Neo	Debun Pop	<= 3.3p_r4.0

References

http://jvn.jp/en/jp/JVN00344155/index.htmlThird Party Advisory
https://www.denbun.com/en/imap/support/security/181003.htmlVendor Advisory
https://www.denbun.com/en/pop/support/security/181003.htmlVendor Advisory
http://jvn.jp/en/jp/JVN00344155/index.htmlThird Party Advisory
https://www.denbun.com/en/imap/support/security/181003.htmlVendor Advisory
https://www.denbun.com/en/pop/support/security/181003.htmlVendor Advisory

Timeline

Published: Nov 15, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0680?

How severe is CVE-2018-0680?

Severity scoring for CVE-2018-0680 is pending analysis. The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0680?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0680?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST